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自治系统

AS17621

China Unicom Shanghai network

China Unicom Shanghai network China 🌐 chinaunicom.cn
已宣布的 IP 地址
887,552
CIDR 前缀
344
ASN
AS17621

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

58/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 100+ MOAS 前缀es — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS17621 公告的稳定前缀现在也由另一个 ASN 公告（MOAS — 多源 AS），这是通过我们的 RIPE RIS 收集器检测到的。这通常是良性的（任播、多宿主或近期转移）—— 但它可能预示着路由泄漏或前缀劫持，因此值得检查。

前缀源 ASNs最后检测 (UTC)
103.61.189.0/24 AS4811, AS17621 2026-07-25 09:23:56
103.202.136.0/22 AS4811, AS17621 2026-07-25 09:23:56
202.47.107.0/24 AS4812, AS17621 2026-07-25 09:23:56
120.92.176.0/21 AS4811, AS17621 2026-07-25 09:23:56
103.202.124.0/22 AS4811, AS17621 2026-07-25 09:23:56
202.90.104.0/22 AS4811, AS17621 2026-07-25 09:23:56
120.92.224.0/23 AS4811, AS17621 2026-07-25 09:23:56
113.31.176.0/20 AS4811, AS17621 2026-07-25 09:23:56
120.133.237.0/24 AS4811, AS17621 2026-07-25 09:23:56
110.43.128.0/21 AS4811, AS17621 2026-07-25 09:23:56
103.234.129.0/24 AS4811, AS17621 2026-07-25 09:23:56
175.102.16.0/24 AS4811, AS17621 2026-07-25 09:23:56
103.5.192.0/23 AS4812, AS17621 2026-07-25 09:23:56
110.43.136.0/21 AS4811, AS17621 2026-07-25 09:23:56
103.108.244.0/24 AS4812, AS17621 2026-07-25 09:23:56

显示最近检测到的 15 个，共 100+ 个 MOAS 前缀。大型网络上的许多多源前缀是良性的（任播）；请参阅 所有 MOAS 异常.

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
Website ↗

Web3 footprint

AS17621 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

IPFS IPFS 1

AS17621 — 全球 IP 足迹

AS 所在城市17621 拥有可衡量的 IPv4 分配。点击任意圆点可打开该城市的页面。大小和颜色随 IP 数量变化。

在 3D 地球上查看 →

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
139.226.0.0/16 65.5K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
27.115.0.0/17 32.8K
0.4%
China Unicom Shanghai network CN Shanghai Shanghai
58.246.0.0/17 32.8K
0.5%
China Unicom Shanghai network CN Shanghai Shanghai
58.247.0.0/17 32.8K
0.3%
China Unicom Shanghai network CN Shanghai Shanghai
139.227.0.0/17 32.8K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
140.206.0.0/17 32.8K
0.2%
China Unicom Shanghai network CN Shanghai Shanghai
27.115.0.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
58.247.0.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
58.247.128.0/18 16.4K
0.4%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.128.0/18 16.4K
0.6%
China Unicom Shanghai network CN Shanghai Shanghai
112.65.0.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.65.128.0/18 16.4K
0.8%
China Unicom Shanghai network CN — —
120.92.128.0/18 16.4K
0.1%
China Unicom Shanghai network CN Shanghai Shanghai
139.227.128.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
220.248.64.0/18 16.4K
0.8%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.0.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.0.0/18 16.4K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
27.115.96.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
58.246.128.0/19 8.2K
1.3%
China Unicom Shanghai network CN Shanghai Shanghai
58.246.224.0/19 8.2K
0.3%
China Unicom Shanghai network CN Shanghai Shanghai
58.247.64.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
106.75.224.0/19 8.2K
27.0%
China Unicom Shanghai network CN — —
110.43.128.0/19 8.2K
0.0%
China Unicom Shanghai network CN — —
112.64.0.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.160.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.65.32.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.65.128.0/19 8.2K
0.0%
China Unicom Shanghai network CN — —
113.31.96.0/19 8.2K
23.4%
China Unicom Shanghai network CN — —
113.31.160.0/19 8.2K
7.3%
China Unicom Shanghai network CN Shanghai Shanghai
139.227.192.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
140.206.128.0/19 8.2K
0.1%
China Unicom Shanghai network CN Shanghai Shanghai
210.22.64.0/19 8.2K
2.6%
China Unicom Shanghai network CN — —
210.22.128.0/19 8.2K
1.3%
China Unicom Shanghai network CN Shanghai Shanghai
211.95.96.0/19 8.2K
0.5%
China Unicom Shanghai network CN — —
220.203.224.0/19 8.2K
0.0%
China Unicom Shanghai network CN — —
220.248.0.0/19 8.2K
1.2%
China Unicom Shanghai network CN — —
223.166.96.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.160.0/19 8.2K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
27.115.64.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
58.246.176.0/20 4.1K
0.4%
China Unicom Shanghai network CN — —
58.247.96.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
58.247.224.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
103.202.96.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
103.202.128.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
106.75.208.0/20 4.1K
24.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.48.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.80.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.96.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.144.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
112.64.192.0/20 4.1K
0.2%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.240.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
112.65.0.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.65.96.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
112.65.160.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
113.31.144.0/20 4.1K
9.9%
China Unicom Shanghai network CN — —
116.128.208.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
120.92.224.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
139.227.240.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
140.206.176.0/20 4.1K
0.1%
China Unicom Shanghai network CN — —
140.207.0.0/20 4.1K
0.5%
China Unicom Shanghai network CN — —
140.207.32.0/20 4.1K
0.2%
China Unicom Shanghai network CN — —
140.207.80.0/20 4.1K
0.4%
China Unicom Shanghai network CN — —
140.207.96.0/20 4.1K
4.1%
China Unicom Shanghai network CN — —
140.207.144.0/20 4.1K
0.6%
China Unicom Shanghai network CN Shanghai Shanghai
140.207.160.0/20 4.1K
0.8%
China Unicom Shanghai network CN — —
140.207.192.0/20 4.1K
0.1%
China Unicom Shanghai network CN — —
202.90.96.0/20 4.1K
0.8%
China Unicom Shanghai network CN — —
210.22.96.0/20 4.1K
1.0%
China Unicom Shanghai network CN — —
210.22.176.0/20 4.1K
1.4%
China Unicom Shanghai network CN — —
211.95.0.0/20 4.1K
0.8%
China Unicom Shanghai network CN — —
211.95.80.0/20 4.1K
0.3%
China Unicom Shanghai network CN — —
211.144.192.0/20 4.1K
86.8%
China Unicom Shanghai network CN — —
220.196.16.0/20 4.1K
0.1%
China Unicom Shanghai network CN — —
220.196.64.0/20 4.1K
0.1%
China Unicom Shanghai network CN — —
220.196.112.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
220.196.208.0/20 4.1K
0.0%
China Unicom Shanghai network CN — —
220.196.224.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.80.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.128.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.176.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.192.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.166.224.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.64.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.112.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.128.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
223.167.192.0/20 4.1K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
27.115.88.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
58.246.168.0/21 2.0K
0.3%
China Unicom Shanghai network CN — —
58.246.192.0/21 2.0K
0.6%
China Unicom Shanghai network CN Shanghai Shanghai
58.246.208.0/21 2.0K
0.4%
China Unicom Shanghai network CN Shanghai Shanghai
58.247.120.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
58.247.192.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
58.247.216.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
58.247.240.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
103.202.120.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
112.64.72.0/21 2.0K
0.0%
China Unicom Shanghai network CN Shanghai Shanghai
112.64.120.0/21 2.0K
2.5%
China Unicom Shanghai network CN — —
112.64.128.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
112.64.216.0/21 2.0K
0.0%
China Unicom Shanghai network CN — —
112.64.224.0/21 2.0K
0.3%
China Unicom Shanghai network CN — —

BGP 公告前缀

实时 BGP 异常 →

前缀 AS17621 实际源自 BGP，通过我们的 RIPE RIS 收集器观测。此实时路由视图可能与上述注册分配有所不同。

Prefix公告样本最后观测
120.92.224.0/20 29,318 2026-07-25 08:59:49
27.115.124.0/23 18,425 2026-07-25 08:59:49
140.207.205.0/24 16,804 2026-07-25 08:59:49
140.207.243.0/24 16,748 2026-07-25 08:59:49
140.207.250.0/24 16,746 2026-07-25 08:59:49
58.246.95.0/24 16,729 2026-07-25 08:59:49
58.247.108.0/24 16,723 2026-07-25 08:59:49
140.207.199.0/24 16,684 2026-07-25 08:59:49
140.207.195.0/24 16,645 2026-07-25 08:59:49
140.207.198.0/24 16,637 2026-07-25 08:59:49
140.207.192.0/24 16,636 2026-07-25 08:59:49
140.207.197.0/24 16,630 2026-07-25 08:59:49
140.207.200.0/24 16,616 2026-07-25 08:59:49
140.207.193.0/24 16,613 2026-07-25 08:59:49
140.207.206.0/24 16,609 2026-07-25 08:59:49
140.207.203.0/24 16,585 2026-07-25 08:59:49
140.207.136.0/23 16,573 2026-07-25 08:59:49
140.207.207.0/24 16,571 2026-07-25 08:59:49
140.207.202.0/24 16,554 2026-07-25 08:59:49
140.207.98.0/24 16,536 2026-07-25 08:59:49
220.248.117.0/24 16,521 2026-07-25 08:59:49
140.207.194.0/24 16,482 2026-07-25 08:59:49
140.207.201.0/24 16,448 2026-07-25 08:59:49
223.167.32.0/19 16,420 2026-07-25 08:59:49
223.167.96.0/19 16,409 2026-07-25 08:59:49
27.115.124.0/24 16,384 2026-07-25 08:59:49
140.207.204.0/24 16,380 2026-07-25 08:59:49
140.207.236.0/24 16,376 2026-07-25 08:59:49
140.207.242.0/24 16,365 2026-07-25 08:59:49
140.207.247.0/24 16,363 2026-07-25 08:59:49
140.207.232.0/24 16,331 2026-07-25 08:59:49
140.207.234.0/24 16,331 2026-07-25 08:59:49
139.227.224.0/19 16,306 2026-07-25 08:59:49
27.115.126.0/23 16,239 2026-07-25 08:59:49
27.115.120.0/22 16,223 2026-07-25 08:59:49
194.138.203.0/24 15,662 2026-07-25 08:59:49
112.64.238.0/24 15,280 2026-07-25 08:59:49
112.64.199.0/24 15,227 2026-07-25 08:59:49
112.64.200.0/24 15,200 2026-07-25 08:59:49
112.65.54.0/24 15,189 2026-07-25 08:59:49
43.250.144.0/22 15,126 2026-07-25 08:59:49
211.95.72.0/24 15,015 2026-07-25 08:59:49
112.65.96.0/24 14,998 2026-07-25 08:59:49
58.247.247.0/24 14,942 2026-07-25 08:59:49
211.144.198.0/23 14,927 2026-07-25 08:59:49
223.167.16.0/24 14,921 2026-07-25 08:59:49
211.144.195.0/24 14,895 2026-07-25 08:59:49
112.65.55.0/24 14,875 2026-07-25 08:59:49
211.144.196.0/24 14,863 2026-07-25 08:59:49
211.144.193.0/24 14,862 2026-07-25 08:59:49

显示前 50 of 390 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS17621？

AS17621 是分配给 China Unicom Shanghai network 的自治系统编号 (Autonomous System Number)。ASN 标识一个控制特定 IP 地址集的网络，并通过 BGP（边界网关协议）确定流量如何在互联网上传输。

AS17621 公告了多少个 IP 地址？

AS17621 公告了 887.6K 个 IPv4 地址，分布在 344 个路由 CIDR 前缀中。 该网络在 China 注册。

谁运营 AS17621？

AS17621 由 China Unicom Shanghai network 运营。 该组织总部位于 China。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS17621 在哪个国家注册？

AS17621 在 China 注册。这表明网络运营商的总部所在地，尽管其公告的 IP 地址可能服务全球用户。

最后更新：2026-07-25 09:25:31 UTC
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